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Debian alert DSA-2850-2 (libyaml)

From:  Salvatore Bonaccorso <>
Subject:  [SECURITY] [DSA 2850-2] libyaml regression update
Date:  Wed, 12 Feb 2014 08:59:14 +0000
Message-ID:  <>

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 - ------------------------------------------------------------------------- Debian Security Advisory DSA-2850-2 Salvatore Bonaccorso February 12, 2014 - ------------------------------------------------------------------------- Package : libyaml Vulnerability : regression Debian Bug : 738587 The security update released in DSA-2850-1 for libyaml introduced a regression in libyaml failing to parse a subset of valid yaml documents. For reference the original advisory text follows. Florian Weimer of the Red Hat Product Security Team discovered a heap-based buffer overflow flaw in LibYAML, a fast YAML 1.1 parser and emitter library. A remote attacker could provide a YAML document with a specially-crafted tag that, when parsed by an application using libyaml, would cause the application to crash or, potentially, execute arbitrary code with the privileges of the user running the application. For the oldstable distribution (squeeze), this problem has been fixed in version 0.1.3-1+deb6u3. For the stable distribution (wheezy), this problem has been fixed in version 0.1.4-2+deb7u3. For the unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your libyaml packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: Mailing list: -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJS+zTJAAoJEAVMuPMTQ89EuPwP/3fnkxZLkgdy++jOKsR1XYwR S/GYbdJT8x5xghudJoUyi5JiEMpecaDhaayDPbEOjl/BJXO2nwxRdxMk5aaQLEYP kOSBwKgI2SOVi0rCzr0SbtMHv5VQ3+L5f4s4aGiU8R67tITTf3++pDId23lpaMmy FzS6PZSJLgj0mw2YbnYU8eaYky1s0itMX6leBsvXpNck/d0cvKMBn0HJ1DMKEB/A wVq1q5DErkmLVJRjOW4hhe5AayQNV2nXdufzOpXNUwld/bDc2924i0lNKaHHgix9 KovQYbc9uJWLxIyeN2iVPomX3eqNRdMKYfHWYR40sBt0BOj0YpcGuXi4ZYztpaY/ YlZjaGPCWnIKTcuX9a5tlswPDNXSKjlZW8T4vqDvKFXtBzMz16S4AJzjDJvY2btk UQWsppf9Td6yEDZcD9w0aSBkQrV9bX2sFn0xiDUiIpgeeGOPPw1LQvW0xVbNaqpy Fp6N7d4YimAdwfpPT+RbTuF/unLPtpEQru7xWM1mLdtO0dHRqGbExsY758Bad0Me bG2zYIFwlMFDzDM79mgm3CPreqzRxYanlS1iiNbf0mlj/3LixH5JrNJLkHHXK7g/ 01qqc3ZbY+s+CbVB/tbZ1WnB4b6/L3w1U1uI0//wku1w18xO1RLj/0fcWp2xfHaR ICQuHEzKHquT6INOeF/s =xHlV -----END PGP SIGNATURE----- -- To UNSUBSCRIBE, email to with a subject of "unsubscribe". Trouble? Contact Archive:

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