An update for thunderbird is now available for Red Hat Enterprise Linux 5, RedHat Enterprise Linux 6, and Red Hat Enterprise Linux 7.Red Hat Product Security has rated this update as having a security impact ofImportant.

A Common Vulnerability Scoring System (CVSS) base score, which givesa detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.
Mozilla Thunderbird is a standalone mail and newsgroup client.This update upgrades Thunderbird to version 45.4.0.Security Fix(es):* Multiple flaws were found in the processing of malformed web content.

A webpage containing malicious content could cause Thunderbird to crash or,potentially, execute arbitrary code with the privileges of the user runningThunderbird. (CVE-2016-5257)Red Hat would like to thank the Mozilla project for reporting these issues.Upstream acknowledges Christoph Diehl, Andrew McCreight, Dan Minor, ByronCampen, Jon Coppeard, Steve Fink, Tyson Smith, Philipp and Carsten Book as theoriginal reporters.
For details on how to apply this update, which includes the changes described inthis advisory, refer to:https://access.redhat.com/articles/11258All running instances of Thunderbird must be restarted for the update to takeeffect.RHEL Optional Productivity Applications (v. 5 server)

SRPMS:
thunderbird-45.4.0-1.el5_11.src.rpm
    MD5: c6d3f4cf6597e787ab39e414be64ae95SHA-256: 297311e7a25a2f21e1c699505475ff24016794ba9aea141165f5377b9c435fc4
 
IA-32:
thunderbird-45.4.0-1.el5_11.i386.rpm
    MD5: 1c3f9074249107fde90a84c654556021SHA-256: e15d3099e15a8c902f78f34cab018c51ced169919778e92ee2aa1b33486ade67
thunderbird-debuginfo-45.4.0-1.el5_11.i386.rpm
    MD5: e5440edb4fb524e5806e70bf87572ef8SHA-256: ea5534fb71059765be3a0c1e713b0882419fb623b5b9fd927a0e8c1fe68cd8f3
 
x86_64:
thunderbird-45.4.0-1.el5_11.x86_64.rpm
    MD5: 7f759fdad818557c885c622ceede50ebSHA-256: 4e769e9519f4e2181e2e855256c52af8144b156719680a79f237c8401b7fabff
thunderbird-debuginfo-45.4.0-1.el5_11.x86_64.rpm
    MD5: ffe85ff74a3c000a57172b4e668f8317SHA-256: 9be1b227622373ebece3aec0b263cbfd6ca4d97c08477b002fe7bae7dca940a5
 
Red Hat Enterprise Linux Desktop (v. 5 client)

SRPMS:
thunderbird-45.4.0-1.el5_11.src.rpm
    MD5: c6d3f4cf6597e787ab39e414be64ae95SHA-256: 297311e7a25a2f21e1c699505475ff24016794ba9aea141165f5377b9c435fc4
 
IA-32:
thunderbird-45.4.0-1.el5_11.i386.rpm
    MD5: 1c3f9074249107fde90a84c654556021SHA-256: e15d3099e15a8c902f78f34cab018c51ced169919778e92ee2aa1b33486ade67
thunderbird-debuginfo-45.4.0-1.el5_11.i386.rpm
    MD5: e5440edb4fb524e5806e70bf87572ef8SHA-256: ea5534fb71059765be3a0c1e713b0882419fb623b5b9fd927a0e8c1fe68cd8f3
 
x86_64:
thunderbird-45.4.0-1.el5_11.x86_64.rpm
    MD5: 7f759fdad818557c885c622ceede50ebSHA-256: 4e769e9519f4e2181e2e855256c52af8144b156719680a79f237c8401b7fabff
thunderbird-debuginfo-45.4.0-1.el5_11.x86_64.rpm
    MD5: ffe85ff74a3c000a57172b4e668f8317SHA-256: 9be1b227622373ebece3aec0b263cbfd6ca4d97c08477b002fe7bae7dca940a5
 
Red Hat Enterprise Linux Desktop (v. 6)

SRPMS:
thunderbird-45.4.0-1.el6_8.src.rpm
    MD5: ed487aff09c152b91c5e6b44ad664c8dSHA-256: 957e70888ed7fff544c6e72397adf5f5fdfa4bc03b499eb948c13d81f08dda52
 
IA-32:
thunderbird-45.4.0-1.el6_8.i686.rpm
    MD5: 68f6fb28cc5aaad634d70217a97eba87SHA-256: 4c696874290ae8d240d4ecc5497a54acb2c0034c3aa85bf03eb7388b55ec7c81
thunderbird-debuginfo-45.4.0-1.el6_8.i686.rpm
    MD5: 8c1c02e2618e4ec49e6a9720775967d4SHA-256: ec5eaf98ad64115ab36e0edaceb1b940ea1dd33b1329576a7ad503ad8964d0ae
 
x86_64:
thunderbird-45.4.0-1.el6_8.x86_64.rpm
    MD5: 529cf7aea131094f9da7698c96c1f612SHA-256: 16326f4bbae9719734a507a40bbf3cb35909c34f4349e1fdb03879817ab7aeb9
thunderbird-debuginfo-45.4.0-1.el6_8.x86_64.rpm
    MD5: d5c0c3d0f88715edc1c4511ed144720dSHA-256: 5e3eda6dac510b4139f719a04e260c08d4f6741781014b15e61dde1094cda09b
 
Red Hat Enterprise Linux Desktop (v. 7)

SRPMS:
thunderbird-45.4.0-1.el7_2.src.rpm
    MD5: f715a2fc799f79257eef4acf5a246923SHA-256: 33873eff4a0bb57fdbca017492ae966c3829e09e2405c36540140f75d11d3ee9
 
x86_64:
thunderbird-45.4.0-1.el7_2.x86_64.rpm
    MD5: fa0d57847eaa4d2c34982cc3ae1d2245SHA-256: d16852f6049a1ba498c467dc5ba271e4b900e3ef834d078c00afe25ef58ac9e1
thunderbird-debuginfo-45.4.0-1.el7_2.x86_64.rpm
    MD5: 4aa54b094bfc79cfbd299d4b899bf412SHA-256: fb368d60f77f4b5c88b96135a998bdc908e64b6a223a50de3912b126b8efae4e
 
Red Hat Enterprise Linux Server (v. 6)

SRPMS:
thunderbird-45.4.0-1.el6_8.src.rpm
    MD5: ed487aff09c152b91c5e6b44ad664c8dSHA-256: 957e70888ed7fff544c6e72397adf5f5fdfa4bc03b499eb948c13d81f08dda52
 
IA-32:
thunderbird-45.4.0-1.el6_8.i686.rpm
    MD5: 68f6fb28cc5aaad634d70217a97eba87SHA-256: 4c696874290ae8d240d4ecc5497a54acb2c0034c3aa85bf03eb7388b55ec7c81
thunderbird-debuginfo-45.4.0-1.el6_8.i686.rpm
    MD5: 8c1c02e2618e4ec49e6a9720775967d4SHA-256: ec5eaf98ad64115ab36e0edaceb1b940ea1dd33b1329576a7ad503ad8964d0ae
 
PPC:
thunderbird-45.4.0-1.el6_8.ppc64.rpm
    MD5: 946eb1e7436e5af016c4b28b63d29b57SHA-256: 56e5d2d0018f665d1df07107e3567bf67d0c861167f80b75d56b6b004b1ecdba
thunderbird-debuginfo-45.4.0-1.el6_8.ppc64.rpm
    MD5: 830066b9ac8b0c21426511b7a506c54cSHA-256: ee33c25acd46ab77f75b1734aa70f668a6169f839fd1db907a9b50c94ea01c02
 
s390x:
thunderbird-45.4.0-1.el6_8.s390x.rpm
    MD5: ff4bb2363ef9e28ee86aabde9b08a930SHA-256: d86013e24a6552e1e12d6bc07d672e0945c2ca3055955bd2285b7d4006d115ad
thunderbird-debuginfo-45.4.0-1.el6_8.s390x.rpm
    MD5: 2cfca380707686d16529a61754dfa9d3SHA-256: c7eebbb3068846664bc1be5b72044878de04908ebe6c8bd5f6524d5b7a2e744e
 
x86_64:
thunderbird-45.4.0-1.el6_8.x86_64.rpm
    MD5: 529cf7aea131094f9da7698c96c1f612SHA-256: 16326f4bbae9719734a507a40bbf3cb35909c34f4349e1fdb03879817ab7aeb9
thunderbird-debuginfo-45.4.0-1.el6_8.x86_64.rpm
    MD5: d5c0c3d0f88715edc1c4511ed144720dSHA-256: 5e3eda6dac510b4139f719a04e260c08d4f6741781014b15e61dde1094cda09b
 
Red Hat Enterprise Linux Server (v. 7)

SRPMS:
thunderbird-45.4.0-1.el7_2.src.rpm
    MD5: f715a2fc799f79257eef4acf5a246923SHA-256: 33873eff4a0bb57fdbca017492ae966c3829e09e2405c36540140f75d11d3ee9
 
PPC64LE:
thunderbird-45.4.0-1.el7_2.ppc64le.rpm
    MD5: 8e4c633797d8e5fe025c64b1bc91c327SHA-256: c57b59d66fbca30f7785163a24295d6a0eb90c5f02f45b769dc7504e15ca26d2
thunderbird-debuginfo-45.4.0-1.el7_2.ppc64le.rpm
    MD5: 19908d2e2ec7574c8942a9b8fcdec895SHA-256: e8e7503d135e140eeb4e456777ca84b08b38be7f2be0316e975f73479cb4e9a5
 
x86_64:
thunderbird-45.4.0-1.el7_2.x86_64.rpm
    MD5: fa0d57847eaa4d2c34982cc3ae1d2245SHA-256: d16852f6049a1ba498c467dc5ba271e4b900e3ef834d078c00afe25ef58ac9e1
thunderbird-debuginfo-45.4.0-1.el7_2.x86_64.rpm
    MD5: 4aa54b094bfc79cfbd299d4b899bf412SHA-256: fb368d60f77f4b5c88b96135a998bdc908e64b6a223a50de3912b126b8efae4e
 
Red Hat Enterprise Linux Server AUS (v. 7.2)

SRPMS:
thunderbird-45.4.0-1.el7_2.src.rpm
    MD5: f715a2fc799f79257eef4acf5a246923SHA-256: 33873eff4a0bb57fdbca017492ae966c3829e09e2405c36540140f75d11d3ee9
 
x86_64:
thunderbird-45.4.0-1.el7_2.x86_64.rpm
    MD5: fa0d57847eaa4d2c34982cc3ae1d2245SHA-256: d16852f6049a1ba498c467dc5ba271e4b900e3ef834d078c00afe25ef58ac9e1
thunderbird-debuginfo-45.4.0-1.el7_2.x86_64.rpm
    MD5: 4aa54b094bfc79cfbd299d4b899bf412SHA-256: fb368d60f77f4b5c88b96135a998bdc908e64b6a223a50de3912b126b8efae4e
 
Red Hat Enterprise Linux Server EUS (v. 7.2)

SRPMS:
thunderbird-45.4.0-1.el7_2.src.rpm
    MD5: f715a2fc799f79257eef4acf5a246923SHA-256: 33873eff4a0bb57fdbca017492ae966c3829e09e2405c36540140f75d11d3ee9
 
PPC64LE:
thunderbird-45.4.0-1.el7_2.ppc64le.rpm
    MD5: 8e4c633797d8e5fe025c64b1bc91c327SHA-256: c57b59d66fbca30f7785163a24295d6a0eb90c5f02f45b769dc7504e15ca26d2
thunderbird-debuginfo-45.4.0-1.el7_2.ppc64le.rpm
    MD5: 19908d2e2ec7574c8942a9b8fcdec895SHA-256: e8e7503d135e140eeb4e456777ca84b08b38be7f2be0316e975f73479cb4e9a5
 
x86_64:
thunderbird-45.4.0-1.el7_2.x86_64.rpm
    MD5: fa0d57847eaa4d2c34982cc3ae1d2245SHA-256: d16852f6049a1ba498c467dc5ba271e4b900e3ef834d078c00afe25ef58ac9e1
thunderbird-debuginfo-45.4.0-1.el7_2.x86_64.rpm
    MD5: 4aa54b094bfc79cfbd299d4b899bf412SHA-256: fb368d60f77f4b5c88b96135a998bdc908e64b6a223a50de3912b126b8efae4e
 
Red Hat Enterprise Linux Workstation (v. 6)

SRPMS:
thunderbird-45.4.0-1.el6_8.src.rpm
    MD5: ed487aff09c152b91c5e6b44ad664c8dSHA-256: 957e70888ed7fff544c6e72397adf5f5fdfa4bc03b499eb948c13d81f08dda52
 
IA-32:
thunderbird-45.4.0-1.el6_8.i686.rpm
    MD5: 68f6fb28cc5aaad634d70217a97eba87SHA-256: 4c696874290ae8d240d4ecc5497a54acb2c0034c3aa85bf03eb7388b55ec7c81
thunderbird-debuginfo-45.4.0-1.el6_8.i686.rpm
    MD5: 8c1c02e2618e4ec49e6a9720775967d4SHA-256: ec5eaf98ad64115ab36e0edaceb1b940ea1dd33b1329576a7ad503ad8964d0ae
 
x86_64:
thunderbird-45.4.0-1.el6_8.x86_64.rpm
    MD5: 529cf7aea131094f9da7698c96c1f612SHA-256: 16326f4bbae9719734a507a40bbf3cb35909c34f4349e1fdb03879817ab7aeb9
thunderbird-debuginfo-45.4.0-1.el6_8.x86_64.rpm
    MD5: d5c0c3d0f88715edc1c4511ed144720dSHA-256: 5e3eda6dac510b4139f719a04e260c08d4f6741781014b15e61dde1094cda09b
 
Red Hat Enterprise Linux Workstation (v. 7)

SRPMS:
thunderbird-45.4.0-1.el7_2.src.rpm
    MD5: f715a2fc799f79257eef4acf5a246923SHA-256: 33873eff4a0bb57fdbca017492ae966c3829e09e2405c36540140f75d11d3ee9
 
x86_64:
thunderbird-45.4.0-1.el7_2.x86_64.rpm
    MD5: fa0d57847eaa4d2c34982cc3ae1d2245SHA-256: d16852f6049a1ba498c467dc5ba271e4b900e3ef834d078c00afe25ef58ac9e1
thunderbird-debuginfo-45.4.0-1.el7_2.x86_64.rpm
    MD5: 4aa54b094bfc79cfbd299d4b899bf412SHA-256: fb368d60f77f4b5c88b96135a998bdc908e64b6a223a50de3912b126b8efae4e
 
(The unlinked packages above are only available from the Red Hat Network)

1377543 – CVE-2016-5257 Mozilla: Memory safety bugs fixed in Firefox ESR 45.4 (MFSA 2016-85, MFSA 2016-86)

These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from:

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